Refrigerator



FIG. 1 is a front perspective view showing a refrigerator according to our new ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof with the left side view being a mirror image thereof;

FIG. 4 is a front view thereof, with the upper doors in an open position;

FIG. 5 is a perspective view thereof with the upper doors in an open position; and,

FIG. 6 is a reverse perspective view thereof with the doors in an open position.

The broken lines represent environment or structure of the refrigerator and do not form any part of the claimed design.

The bottom and rear views of the refrigerator are not shown and therefore not claimed. 

The ornamental design for a refrigerator, as shown and described. 